作者: Carl J. Abraham
DOI:
关键词: Tension (physics) 、 Snagging 、 Optics 、 Engineering 、 Self locking 、 Aperture 、 Barb
摘要: A bracelet has a guide aperture at one end, barb the opposite and elongated holes running along its length. The barbed end can be pulled through then twisted inserted into an adjacent hole for being captured therein. is connected to by frangible neck which will break under tension sufficient otherwise cause bodily injury upon snagging of bracelet, thereby releasing it from wrist wearer.